MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa46c8e84ccdacab1d818. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


ValleyRAT


Vendor detections: 18


Intelligence 18 IOCs 1 YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa46c8e84ccdacab1d818
SHA3-384 hash: a0c94ee56ed3ce4861b84f655461c04b457bf19cd87330bf95592505c689870a539fc4e79a1e480b7dded8df43d6614a
SHA1 hash: 458a81b0010849dd808a9aced0b13c4f91f08368
MD5 hash: 9abc4ea69128acfb24988fc6f4dfd2e3
humanhash: enemy-cup-glucose-oregon
File name:58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:2'685'952 bytes
First seen:2025-11-20 14:50:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1aae8bf580c846f39c71c05898e57e88 (214 x LummaStealer, 70 x SalatStealer, 18 x ValleyRAT)
ssdeep 49152:HoE0+qL01L2jTNj1RxP4huefNHN/j2U4FH:6+qgAJTefNZj2jF
TLSH T12FC58B10FD9795F7E40222365AE722AF23259C051F329A8BEA0477BDF9776C40A37346
TrID 38.7% (.EXE) InstallShield setup (43053/19/16)
28.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.4% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
47.243.167.234:443

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
47.243.167.234:443 https://threatfox.abuse.ch/ioc/1647290/

Intelligence

File Origin
# of uploads :
1
# of downloads :
177
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa46c8e84ccdacab1d818.exe
Verdict:
Malicious activity
Analysis date:
2025-11-20 14:29:39 UTC
Tags:
auto-reg silverfox backdoor m0yv golang valley rat
Link:
https://app.any.run/tasks/65f2a197-1d51-4d8e-8ef5-477554d1081c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38851/
Detection(s):
SecuriteInfo.com.Win32.Expiro-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.Expiro-2.UNOFFICIAL
Create hunting rule

Win.Virus.Expiro-9936998-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691f25d28cf6736ec0afbc55
Tags:
emotet expiro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm crypt crypto expiro go golang packed virus virut xpack
Link:
https://www.filescan.io/uploads/691f2aba3f0c60becd483a77/reports/ed085be2-5b65-410d-8df1-b614d250888e/overview
Verdict:
Malicious
Labled as:
Expiro.Generic
Link:
https://www.hybrid-analysis.com/sample/58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa46c8e84ccdacab1d818
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-19T10:30:00Z UTC
Last seen:
2025-11-20T23:49:00Z UTC
Hits:
~10
Detections:
Virus.Win32.Moiva.a
Link:
https://opentip.kaspersky.com/58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa46c8e84ccdacab1d818/results?tab=lookup
Malware family:
Expiro
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/de721d1a-305d-4cc1-88fd-2e63ab162fdf
Result
Threat name:
DonutLoader, ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1817876
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Creates multiple autostart registry keys
Detected unpacking (creates a PE file in dynamic memory)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Yara detected DonutLoader
Yara detected QueryWinSAT ClassID
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa46c8e84ccdacab1d818
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/9abc4ea69128acfb24988fc6f4dfd2e3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa46c8e84ccdacab1d818/
Verdict:
Malicious
Threat:
Family.DONUTLOADER
Link:
https://tip.neiki.dev/file/58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa46c8e84ccdacab1d818
Threat name:
Win32.Virus.Expiro
Create hunting rule
Status:
Malicious
First seen:
2025-11-16 13:42:00 UTC
File Type:
PE (Exe)
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lcznhvovhb3ustuoxtah7y5vxmfvby2qdzvki3eoqtgnvsvr3ama._file
Verdict:
malicious
Label(s):
expiro
Create hunting rule
Similar samples:
error
ValleyRAT
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader discovery loader persistence
Link:
https://tria.ge/reports/251120-r7wcfs1kcj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Adds Run key to start application
Enumerates connected drives
Detects DonutLoader
DonutLoader
Donutloader family
Verdict:
Malicious
Tags:
Win.Virus.Expiro-9936998-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f5a0acd6-53e0-49df-89a5-e6b05f7aec21
Unpacked files
SH256 hash:
58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa46c8e84ccdacab1d818
MD5 hash:
9abc4ea69128acfb24988fc6f4dfd2e3
SHA1 hash:
458a81b0010849dd808a9aced0b13c4f91f08368
Link:
https://www.unpac.me/results/a66a2bf2-737d-4562-8608-d53eed75322c/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/58b2d3d5d538/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/58b2d3d5d53877494e8ebcc07fe3b5bb0b50e3501e6aa46c8e84ccdacab1d818

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GenericGh0st
Create hunting rule
Author:Still
Rule name:Gh0stKCP
Create hunting rule
Author:Netresec
Description:Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule.
Reference:https://netresec.com/?b=259a5af
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_4b0b73ce
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Create hunting rule
Author:Elastic Security
Rule name:win_valley_rat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.valley_rat.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/38851/

Comments